Always • Between • Boundary • Closed • Complex • Connected • Continuously • Contracted • Curve • Definition • Depends • Different • Every • Fractal • Fundamental • Group • Have • Hole • Holes • Infinite • Its • Jordan • Least • Line • Loop • Must • Necessarily • Non • Number • Open • Path • Plane • Point • Segment • Set • Sets • Shape • Shapes • Simply • Single • Size • Specific • Still • Subset • Subsets • Trivial • Unique • Where • Within • Yes